<template>
  <div>
    <el-row type="flex" justify="end">
      <el-select
        size="small"
        style="width:120px"
        @change="dateChange"
        v-model="currentYear"
      >
        <el-option
          v-for="item in yearList"
          :key="item"
          :label="item"
          :value="item"
        >
          {{ item }}
        </el-option>
      </el-select>
      <el-select
        size="small"
        style="width:120px;margin-left:10px"
        @change="dateChange"
        v-model="currentMonth"
      >
        <el-option v-for="item in 12" :key="item" :label="item" :value="item">
          {{ item }}
        </el-option>
      </el-select>
      <el-calendar v-model="currentDate">
        <!-- v-slot:dateCell="{ date, data }" -->
        <!-- <template v-slot:dateCell="{data,data}"   class="content">
          <div class="date-content">
            <span class="text">
              {{data.day|getDay}}
            </span>
            <span class="rest" v-if="isWeek(date)">休息</span>
          </div>
        </template> -->
        <template v-slot:dateCell="{ date, data }" class="content">
          <div class="date-content">
            <span class="text"> {{ data.day | getDay }}</span>
            <span v-if="isWeek(date)" class="rest">休</span>
          </div>
        </template>
      </el-calendar>
    </el-row>
  </div>
</template>

<script>
export default {
  // filters:{
  //   getDay(value){
  //     const day=value.split('-')[2]
  //     return day.startWith('0')?day.subsrt(1):day
  //   }
  // },
  filters:{
    getDay(value){
      const day=value.split('-')[2]
      // 单词错误 startsWith
      return day.startsWith('0') ? day.substr(1):day
    }
  },
  // filters: {
  //   getDay(value) {
  //     const day = value.split('-')[2]
  //     return day.startsWith('0') ? day.substr(1) : day
  //   }
  // },
  props: {
    startDate: {
      type: Date,
      default: () => new Date()
    }
  },
  data() {
    return {
      yearList: [],
      currentYear: null,
      currentMonth: null,
      currentDate: null
    }
  },
  created() {
    // 操作三件事
    this.currentYear = this.startDate.getFullYear()
    this.currentMonth = this.startDate.getMonth() + 1
    this.yearList = Array.from(Array(11), (v, i) => this.currentYear - 5 + i)
    this.dateChange()
  },
  methods: {
    isWeek(value) {
      return value.getDay() === 6 || value.getDay() === 0
    },
    dateChange() {
      const year = this.currentYear
      const month = this.currentMonth
      this.currentDate = new Date(`${year}-${month}-1`)
    }
  }
}
</script>

<style scoped>
/deep/ .el-calendar-day {
  height: auto;
}
/deep/ .el-calendar-table__row td,
/deep/ .el-calendar-table tr td:first-child,
/deep/ .el-calendar-table__row td.prev {
  border: none;
}
.date-content {
  height: 40px;
  text-align: center;
  line-height: 40px;
  font-size: 14px;
}
.date-content .rest {
  color: #fff;
  border-radius: 50%;
  background: rgb(250, 124, 77);
  width: 20px;
  height: 20px;
  line-height: 20px;
  display: inline-block;
  font-size: 12px;
  margin-left: 10px;
}
.date-content .text {
  width: 20px;
  height: 20px;
  line-height: 20px;
  display: inline-block;
}
/deep/ .el-calendar-table td.is-selected .text {
  background: #409eff;
  color: #fff;
  border-radius: 50%;
}
/deep/ .el-calendar__header {
  display: none;
}
</style>
